Electronic Devices and Circuits MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Electronic Devices and Circuits, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Electronic Devices and Circuits MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Electronic Devices and Circuits mcq questions that explore various aspects of Electronic Devices and Circuits problems. Each MCQ is crafted to challenge your understanding of Electronic Devices and Circuits principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Electronic Devices and Circuits MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Electronic Devices and Circuits. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Electronic Devices and Circuits knowledge to the test? Let's get started with our carefully curated MCQs!

Electronic Devices and Circuits MCQs | Page 39 of 82

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Q381.
Zener diode is invariably used with
Discuss
Answer: (b).reverse bias
Q382.
The relation between plate current and plate voltage of a vacuum diode is called
Discuss
Answer: (b).Langmuir Child law
Q383.
Given that the band gap of cadmium sulphide is 2.5 eV, the maximum photon wavelength, for e¯-hole pair generation will be
Discuss
Answer: (c).5400 Å
Discuss
Answer: (d).all of the above
Q385.
The probability giving distribution of electrons over a range of allowed energy levels is known as
Discuss
Answer: (b).Fermi-Dirac Distribution
Q386.
Hall coefficient is reciprocal of charge density.
Discuss
Answer: (a).True
Q387.
Under low level injection assumption, the infected minority carrier current for an extrinsic semiconductor is essentially the
Discuss
Answer: (a).diffusion current
Q388.
As the reverse voltage is increased, the depletion layer
Discuss
Answer: (b).widens
Q389.
The cascade amplifier is a multistage configuration of
Discuss
Answer: (b).CE-CB
Q390.
The light output of LED varies as (current)โฟ. The value of n is about
Discuss
Answer: (c).1.3